.box {
    display: flex;
    justify-content: center;
    margin-top: 300rpx;
}
.center {
    display: flex;
    justify-content: center;
}
.bolder {
    font-size: 40rpx;
    color: #333;
    margin-top: 20rpx;
}
.bold {
    font-size: 30rpx;
    color: #aaa;
    margin-bottom: 35rpx;
} 
.msg {
  text-align: center;
  padding: 5rpx 30rpx 5rpx 30rpx;
}